Janatha Withanachchi, DDS
Endodontics · South Orange, NJ
Janatha Withanachchi, DDS is an endodontics with a practice address in South Orange, New Jersey, and NPI 1134385016, issued on Jul 31, 2008. Check the license (New Jersey 22DI02398712, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janatha Withanachchi
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License numbers
- 22DI02398712 NJ
056508 NY
Self-reported in NPPES; status is on the state search - Practice location
- 71 Valley St Ste 100, South Orange, NJ 07079
- Phone
- (862) 250-6952
- Enumerated
- Jul 31, 2008
- Record last updated
- Sep 24, 2024
- Entity
- Type 1 · individual
8 nearest endodontics records → All 228 in New Jersey → Look up another NPI →
Verify Janatha Withanachchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 22DI02398712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average endodontics in 2024
60 Medicare Part D claims for 41 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin27 claims
- Ibuprofen21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Janatha Withanachchi among 228 endodontics records in New Jersey
Janatha Withanachchi, DDS is one of 228 endodontics records with a practice address in New Jersey. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 24% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2024 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 endodontics records list a practice address in South Orange
They are 3 of the 285 NPPES records with a practice address in South Orange, and 228 endodontics records in New Jersey.
All 228 in New Jersey → Every provider in South Orange → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Kevin Johnson, DDSSouth Orange, NJ 070791366583841
- Carol Mann, D.M.D.South Orange, NJ 070791104978931
- Alex Choi, DMDUnion City, NJ 070871538785860
- Ian Langer, D.M.D.Westfield, NJ 070901255469581
- Paul Langer, DDSWestfield, NJ 070901598982811
- Donald Zimmerman, DDSClark, NJ 070661821239369
- Nelson Guanche, DMD, MDSNorth Plainfield, NJ 070601679050140
- Marvin Weiss, D.D.S.Plainfield, NJ 070601194899088
Common questions
What is Janatha Withanachchi, DDS's NPI number?
Janatha Withanachchi, DDS's National Provider Identifier (NPI) is 1134385016, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Janatha Withanachchi, DDS located?
The NPPES record lists a practice address at 71 Valley St Ste 100, South Orange, NJ, 07079. Phone: (862) 250-6952. Providers update this record themselves, so call before visiting.
How can I verify Janatha Withanachchi, DDS's license?
NPPES lists New Jersey license number 22DI02398712, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Janatha Withanachchi, DDS prescribe under Medicare Part D?
In 2024, Janatha Withanachchi, DDS had 60 Medicare Part D claims for 41 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.